Hardware Spec Index

Brontix FN-3899 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3899-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index250 (Case Fans scale)
Category rank#25,518
Street price$9
Power3 W
Performance per dollar27.78
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3899 Prime
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3899 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/25754824 (accessed 2026-10-19).